Exercise beam



FIG. 1 is a top-front perspective view of an exercise beam showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front side elevational view thereof;

FIG. 7 is a rear side elevational view thereof; and,

FIG. 8 is a bottom perspective view thereof. 

CLAIM The ornamental design for an exercise beam, as shown and described. 